EP3C5_1 Datasheet, PDF (26/34 Pages) Altera Corporation – Cyclone III Device Data Sheet

1–26
Chapter 1: Cyclone III Device Data Sheet
Switching Characteristics
IOE Programmable Delay
Table 1–37 and Table 1–38 list IOE programmable delay for Cyclone III devices.
Table 1–37. Cyclone III Devices IOE Programmable Delay on Column Pins (Note 1), (2)
Parameter
Paths
Affected
Number
of
Settings
Min
Offset
Fast Corner
A7, I7 C6
Max Offset
Slow Corner
C6
C7
C8
I7
Unit
A7
Input delay from pin to
internal cells
Pad to I/O
dataout to
core
7
0 1.211 1.314 2.175 2.32 2.386 2.366 2.49 ns
Input delay from pin to Pad to I/O
input register
input register
8
0 1.203 1.307 2.19 2.387 2.54 2.43 2.545 ns
Delay from output
register to output pin
I/O output
register to
pad
2
0 0.479 0.504 0.915 1.011 1.107 1.018 1.048 ns
Input delay from
Pad to global
dual-purpose clock pin clock
12
to fan-out destinations network
0 0.664 0.694 1.199 1.378 1.532 1.392 1.441 ns
Notes to Table 1–37:
(1) The incremental values for the settings are generally linear. For exact values of each setting, use the latest version of the Quartus II software.
(2) The minimum and maximum offset timing numbers are in reference to setting ‘0’ as available in the Quartus II software.
Table 1–38. Cyclone III Devices IOE Programmable Delay on Row Pins (Note 1), (2)
Parameter
Paths
Affected
Number
of
Settings
Min
Offset
Fast Corner
A7, I7 C6
Max Offset
Slow Corner
C6
C7
C8
I7
Unit
A7
Input delay from pin to
internal cells
Pad to I/O
dataout to
core
7
0 1.209 1.314 2.174 2.335 2.406 2.381 2.505 ns
Input delay from pin to Pad to I/O
input register
input register
8
0 1.207 1.312 2.202 2.402 2.558 2.447 2.557 ns
Delay from output
register to output pin
I/O output
register to
pad
2
0 0.51 0.537 0.962 1.072 1.167 1.074 1.101 ns
Input delay from
dual-purpose clock pin
to fan-out destinations
Pad to global
clock network
12
0 0.669 0.698 1.207 1.388 1.542 1.403 1.45 ns
Notes to Table 1–38:
(1) The incremental values for the settings are generally linear. For exact values of each setting, use the latest version of Quartus II software.
(2) The minimum and maximum offset timing numbers are in reference to setting ‘0’ as available in the Quartus II software
Cyclone III Device Handbook, Volume 2
© January 2010 Altera Corporation